cc: Avoid power of two textures.

cc/gl_renderer.cc

Index: cc/gl_renderer.cc
diff --git a/cc/gl_renderer.cc b/cc/gl_renderer.cc
index 1b48615a12c70d9a905a4ed3b9166bb1fac04cf0..668dad98db283899377e59a87f67a85543e4b81c 100644
--- a/cc/gl_renderer.cc
+++ b/cc/gl_renderer.cc
@@ -150,6 +150,10 @@ bool GLRenderer::initialize()
     // The updater can access textures while the GLRenderer is using them.
     m_capabilities.allowPartialTextureUpdates = true;
 
+    // Check for texture fast paths. Currently we always use MO8 textures,
+    // so we only need to avoid POT textures if we have an NPOT fast-path.
+    m_capabilities.avoidPow2Textures = extensions.count("GL_CHROMIUM_fast_NPOT_MO8_textures");
+
     m_isUsingBindUniform = extensions.count("GL_CHROMIUM_bind_uniform_location");
 
     // Make sure scissoring starts as disabled.